This was not the result merely of fortuitous circumstances. Rubens had been a student. He was called later by scholars, "the antiquary and Apelles of our time." He was also a most industrious worker. Philip Rubens, his nephew, says in his life of his uncle, "He never gave himself the pastime of going to parties where there was drinking and card-playing, having always had a dislike for such." So fond was he of reading the best books, that in after years, when he painted, Seneca and Plutarch were often read to him. He had studied the technique of painting since he was thirteen years old. He was especially charming in manner, being free from harshness or censoriousness, and, withal, a person of much tact and consideration. He had prepared himself for a great work, and was ready to embrace his opportunity when it came. Besides painting several originals for the Duke of Mantua, Rubens was sent to Rome to make copies of some of the masterpieces. He took letters of introduction to Cardinal Alessandro Montalto, the nephew of Sixtus V., very rich, and a great patron of art. Besides this work for Gonzaga, Rubens painted for the chapel of St. Helena, in the Church of the Holy Cross of Jerusalem, at Rome, at the request of Archduke Albert, formerly its cardinal, three pictures: "St. Helena embracing the Cross," "Christ crowned with Thorns," and a "Crucifixion." On his return to Mantua, he copied the "Triumph of Julius Cæsar," by Andrea Mantegna; in one of the series, in place of a sheep walking by the side of an elephant, he painted a lion. Dr. Waagen says in his "Life of Rubens": "His love of the fantastic and pompous led him to choose that with the elephant carrying the candelabra, but his ardent imagination, ever directed to the dramatic, could not be content with this; instead of a harmless sheep, which in Mantegna is walking by the side of the foremost elephant, Rubens has introduced a lion and lioness, which growl angrily at the elephant. The latter, on his part, is not idle, but, looking furiously round, is on the point of striking the lion a blow with his trunk. The severe pattern he had before him in Mantegna has moderated Rubens in his taste for very full forms, so that they are here more noble and slender than is usual with him. The coloring, as in his earliest pictures, is more subdued than in the later, and yet more powerful. Rubens himself seems to have set a high value upon this study, for it was among his effects at his death."